TV Guide has published a list of Tv's 60 greatest villains. Below is their top 20.
Missing is Ben Linus from Lost & Diana from both V's
1. J.R. Ewing from Dallas
2. 2 Mr. Burns from The Simpsons
3. 3. Gus Fring from Breaking Bad
4. 4. The Borg form Star Trek: The Next Generation
5. 5. The One-Armed Man from The Fugitive
6. 6. Al Sweargengen from Deadwood
7. 7. Alexis Colby from Dynasty
8. 8. Barnabas Collins from Dark Shadows
9. 9. Nina Myers from 24
10. 10. Simon Cowell from American Idol, The X Factor
11. 11. Angelus from Buffy the Vampire Slayer
12. 12. Theodore "T-Bag" Bagwell from Prison Break
13. 13. Baltar from Battlestar Galactica
14. 14. Joffrey Baratheon from Game of Thrones
15. 15. Mags Bennet from Justified
16. 16. Bob/Leland Palmer from Twin Peaks
17. 17. Frank Burns from M*A*S*H
18. 18. Al Capone from The Untouchables
19. 19. Cartman from Southpark
20. 20. Ben Chang from Community
Not crazy about including cartoon characters. I think an honorable mention because Defiance has only been on one season is Datek & his wife,
Missing is Ben Linus from Lost & Diana from both V's
1. J.R. Ewing from Dallas
2. 2 Mr. Burns from The Simpsons
3. 3. Gus Fring from Breaking Bad
4. 4. The Borg form Star Trek: The Next Generation
5. 5. The One-Armed Man from The Fugitive
6. 6. Al Sweargengen from Deadwood
7. 7. Alexis Colby from Dynasty
8. 8. Barnabas Collins from Dark Shadows
9. 9. Nina Myers from 24
10. 10. Simon Cowell from American Idol, The X Factor
11. 11. Angelus from Buffy the Vampire Slayer
12. 12. Theodore "T-Bag" Bagwell from Prison Break
13. 13. Baltar from Battlestar Galactica
14. 14. Joffrey Baratheon from Game of Thrones
15. 15. Mags Bennet from Justified
16. 16. Bob/Leland Palmer from Twin Peaks
17. 17. Frank Burns from M*A*S*H
18. 18. Al Capone from The Untouchables
19. 19. Cartman from Southpark
20. 20. Ben Chang from Community
Not crazy about including cartoon characters. I think an honorable mention because Defiance has only been on one season is Datek & his wife,